brucellosis, genital campylobacteriosis and other factors affecting calving rate of cattle in three states of northern nigeria.reproductive diseases limit the productivity of cattle worldwide and represent an important obstacle to profitable cattle enterprise. in this study, herd brucellosis and bovine genital campylobacteriosis (bgc) status, and demographic and management variables were determined and related to predicted calving rate (prcr) of cattle herds in adamawa, kaduna and kano states, nigeria. serum samples, preputial scrapings, questionnaire data, trans-rectal palpation and farm records were used from 271 herd ...201525601264
herd-level risk factors for campylobacter fetus infection, brucella seropositivity and within-herd seroprevalence of brucellosis in cattle in northern nigeria.brucellosis and campylobacteriosis are economically important diseases affecting bovine reproductive efficiency in nigeria. a questionnaire-based survey was conducted in 271 cattle herds in adamawa, kaduna and kano states of northern nigeria using multistage cluster sampling. serum from 4745 mature animals was tested for brucella antibodies using the rose-bengal plate test and positives were confirmed in series-testing protocol using competitive enzyme-linked immunosorbent assay. preputial scrap ...201323830113
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